diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
index f0fc182d3db7..d5dd6b8b4248 100644
--- a/net/bpfilter/bpfilter_kern.c
+++ b/net/bpfilter/bpfilter_kern.c
@@ -23,9 +23,11 @@ static void shutdown_umh(struct umh_info *info)
 
 	if (!info->pid)
 		return;
-	tsk = pid_task(find_vpid(info->pid), PIDTYPE_PID);
-	if (tsk)
+	tsk = get_pid_task(find_vpid(info->pid), PIDTYPE_PID);
+	if (tsk) {
 		force_sig(SIGKILL, tsk);
+		put_task_struct(tsk);
+	}
 	fput(info->pipe_to_umh);
 	fput(info->pipe_from_umh);
 	info->pid = 0;